//====- ARMMachineFuctionInfo.h - ARM machine function info -----*- C++ -*-===//
-//
+//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
-//
+//
//===----------------------------------------------------------------------===//
//
// This file declares ARM-specific per-machine-function information.
/// Used to initialized Align, so must precede it.
bool isThumb;
- /// Align - required alignment. ARM functions and Thumb functions with
- /// constant pools require 4-byte alignment; other Thumb functions
- /// require only 2-byte alignment.
- unsigned Align;
+ /// hasThumb2 - True if the target architecture supports Thumb2. Do not use
+ /// to determine if function is compiled under Thumb mode, for that use
+ /// 'isThumb'.
+ bool hasThumb2;
/// VarArgsRegSaveSize - Size of the register save area for vararg functions.
///
/// enable far jump.
bool LRSpilledForFarJump;
- /// R3IsLiveIn - True if R3 is live in to this function.
- /// FIXME: Remove when register scavenger for Thumb is done.
- bool R3IsLiveIn;
-
/// FramePtrSpillOffset - If HasStackFrame, this records the frame pointer
/// spill stack offset.
unsigned FramePtrSpillOffset;
unsigned ConstPoolEntryUId;
+ /// VarArgsFrameIndex - FrameIndex for start of varargs area.
+ int VarArgsFrameIndex;
+
public:
ARMFunctionInfo() :
- isThumb(false),
- Align(2U),
+ isThumb(false),
+ hasThumb2(false),
VarArgsRegSaveSize(0), HasStackFrame(false),
- LRSpilledForFarJump(false), R3IsLiveIn(false),
+ LRSpilledForFarJump(false),
FramePtrSpillOffset(0), GPRCS1Offset(0), GPRCS2Offset(0), DPRCSOffset(0),
GPRCS1Size(0), GPRCS2Size(0), DPRCSSize(0),
GPRCS1Frames(0), GPRCS2Frames(0), DPRCSFrames(0),
- JumpTableUId(0), ConstPoolEntryUId(0) {}
+ JumpTableUId(0), ConstPoolEntryUId(0), VarArgsFrameIndex(0) {}
- ARMFunctionInfo(MachineFunction &MF) :
+ explicit ARMFunctionInfo(MachineFunction &MF) :
isThumb(MF.getTarget().getSubtarget<ARMSubtarget>().isThumb()),
- Align(isThumb ? 1U : 2U),
+ hasThumb2(MF.getTarget().getSubtarget<ARMSubtarget>().hasThumb2()),
VarArgsRegSaveSize(0), HasStackFrame(false),
- LRSpilledForFarJump(false), R3IsLiveIn(false),
+ LRSpilledForFarJump(false),
FramePtrSpillOffset(0), GPRCS1Offset(0), GPRCS2Offset(0), DPRCSOffset(0),
GPRCS1Size(0), GPRCS2Size(0), DPRCSSize(0),
GPRCS1Frames(32), GPRCS2Frames(32), DPRCSFrames(32),
SpilledCSRegs(MF.getTarget().getRegisterInfo()->getNumRegs()),
- JumpTableUId(0), ConstPoolEntryUId(0) {}
+ JumpTableUId(0), ConstPoolEntryUId(0), VarArgsFrameIndex(0) {}
bool isThumbFunction() const { return isThumb; }
-
- unsigned getAlign() const { return Align; }
- void setAlign(unsigned a) { Align = a; }
+ bool isThumb1OnlyFunction() const { return isThumb && !hasThumb2; }
+ bool isThumb2Function() const { return isThumb && hasThumb2; }
unsigned getVarArgsRegSaveSize() const { return VarArgsRegSaveSize; }
void setVarArgsRegSaveSize(unsigned s) { VarArgsRegSaveSize = s; }
bool isLRSpilledForFarJump() const { return LRSpilledForFarJump; }
void setLRIsSpilledForFarJump(bool s) { LRSpilledForFarJump = s; }
- // FIXME: Remove when register scavenger for Thumb is done.
- bool isR3LiveIn() const { return R3IsLiveIn; }
- void setR3IsLiveIn(bool l) { R3IsLiveIn = l; }
-
unsigned getFramePtrSpillOffset() const { return FramePtrSpillOffset; }
void setFramePtrSpillOffset(unsigned o) { FramePtrSpillOffset = o; }
-
+
unsigned getGPRCalleeSavedArea1Offset() const { return GPRCS1Offset; }
unsigned getGPRCalleeSavedArea2Offset() const { return GPRCS2Offset; }
unsigned getDPRCalleeSavedAreaOffset() const { return DPRCSOffset; }
unsigned createConstPoolEntryUId() {
return ConstPoolEntryUId++;
}
+
+ int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
+ void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; }
};
} // End llvm namespace